Tensile properties and strain-hardening behaviour of friction stir welded SiCp/AA2009 composite joints

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	Tensile properties and strain-hardening behaviour of friction stir welded SiCp/AA2009 composite joints
	D. R. Ni; D. L. Chen; D. Wang; B. L. Xiao; Z. Y. Ma
	2014
发表期刊	Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing
ISSN	0921-5093
卷号	608 页码:1-10
摘要	3 mm thick rolled 17 vol%SiCp/AA2009 composite sheet in T351 condition (with 15% deformation) was subjected to friction stir welding (FSW). Tensile properties and work hardening behaviour of FSW joints were studied at strain rates from 1 x 10(-2) to 1 x 10(-5) s(-1). The FSW joints tended to fracture in the heat-affected zone, which exhibited the lowest hardness. Joint efficiencies of about 77% were achieved at various strain rates. As the strain rates increased, the yield strength, ultimate tensile strength and elongation decreased slightly, but the effect of strain rate on the elongation became weaker after FSW. The dependence of the strain-hardening exponents on the strain rate was weak in both the base metal (BM) and the FSW joint. Compared to the BM, the FSW joint exhibited higher strain-hardening rates and strain-hardening exponents, as well as a stronger hardening capacity; about three times that of the BM. (C) 2014 Elsevier B.V. All rights reserved.
部门归属	[ni, d. r. ; wang, d. ; xiao, b. l. ; ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [chen, d. l.] ryerson univ, dept mech & ind engn, toronto, on m5b 2k3, canada. ; chen, dl (reprint author), ryerson univ, dept mech & ind engn, 350 victoria st, toronto, on m5b 2k3, canada. ; dchen@ryerson.ca ; zyma@imr.ac.cn
关键词	Composites Aluminium Alloy Mechanical Properties Friction Stir Welding Joints Strain Hardening Metal-matrix Composites Cu-mg Composite Mechanical-properties Microstructural Evolution Welding Parameters Fatigue Properties Magnesium Alloy Cast Composite Pin Profile Precipitation
URL	查看原文
语种	英语
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/73346
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	D. R. Ni,D. L. Chen,D. Wang,et al. Tensile properties and strain-hardening behaviour of friction stir welded SiCp/AA2009 composite joints[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2014,608:1-10.
APA	D. R. Ni,D. L. Chen,D. Wang,B. L. Xiao,&Z. Y. Ma.(2014).Tensile properties and strain-hardening behaviour of friction stir welded SiCp/AA2009 composite joints.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,608,1-10.
MLA	D. R. Ni,et al."Tensile properties and strain-hardening behaviour of friction stir welded SiCp/AA2009 composite joints".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 608(2014):1-10.